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Prehnite & Quartz

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SYA759195

Prehnite & Quartz

Antarctica Expedition GANOVEX I

Description Tabs

Description
Locality: 
Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 3.5 cm
Description

Light green tocolorless prehnite crystals with clear quartz crystals on white massive quartz matrix.

This specimen was found during the first German Antarctica Expedition GANOVEX I 1979 / 80

Comes with a -copy- of the original label from the mineralogist of this expedition.

Ex collection Dipl. Min Ulrich Vetter, Hannover

Rare locality - Prehnite from this locality is probably lacking in most collections.

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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